Messaging service

The money will go towards more in-depth research, marketing, advertising and product development

It will allow users to set a time limit on their message before it disappears

It is the latest tech company looking to go public this year

As the company tries to build up a wide range of businesses using its popular messaging app as a platform

The company had thus far resisted a Russian order that month to remove the application from the store entirely

Telegram has become the leading source of news for many Iranians

London attacker Khalid Masood sent an encrypted message via WhatsApp minutes before the attack

Mobile phone penetration in the Gulf region is among the highest in the world